/* CNR Yapı — renkler logodan alınmıştır */
:root {
  --navy: #1d2b5c;
  --blue: #0b5f86;
  --teal: #0a7a96;
  --orange: #f0a02c;
  --orange-dark: #d98a14;
  --ink: #1b2233;
  --muted: #5d6679;
  --line: #e4e7ee;
  --bg: #f7f8fb;
  --cream: #fbf7f0;
  --white: #fff;
  --grad: linear-gradient(120deg, var(--teal) 0%, var(--navy) 50%, var(--orange) 100%);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(29, 43, 92, .10);
  --max: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), 92%); margin: 0 auto; }
.section { padding: 88px 0; }
.section--alt { background: var(--bg); }
.section--cream { background: var(--cream); }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--orange-dark); margin-bottom: 10px;
}
.title { font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.2; color: var(--navy); font-weight: 800; }
.lead { color: var(--muted); max-width: 640px; margin-top: 12px; font-size: 1.05rem; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Butonlar */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--orange); color: var(--navy); box-shadow: 0 8px 20px rgba(240, 160, 44, .35); }
.btn--primary:hover { background: var(--orange-dark); }
.btn--wa { background: #25d366; color: #fff; box-shadow: 0 8px 20px rgba(37, 211, 102, .3); }
.btn--ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--outline { border-color: var(--navy); color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn--sm { padding: 9px 18px; font-size: .85rem; }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

/* Üst bar */
.topbar { background: var(--navy); color: #cfd6ea; font-size: .82rem; }
.topbar .container { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; flex-wrap: wrap; }
.topbar a:hover { color: var(--orange); }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 54px; height: 54px; border-radius: 50%; }
.brand strong { display: block; font-size: 1.2rem; color: var(--navy); letter-spacing: .02em; }
.brand span { font-size: .72rem; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-weight: 600; font-size: .95rem; color: var(--ink); position: relative; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--orange);
  transition: width .2s ease;
}
.nav a:not(.btn):hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--blue); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(105deg, rgba(20, 30, 66, .93) 0%, rgba(20, 30, 66, .78) 45%, rgba(11, 95, 134, .35) 100%),
    url("img/hero.webp") center 70% / cover no-repeat, #2a3350;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 110px 0 120px; }
.hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); line-height: 1.1; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero p { font-size: 1.12rem; color: #dfe6f5; margin: 20px 0 32px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 44px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 1.8rem; color: var(--orange); }
.hero-stats span { font-size: .85rem; color: #c8d2ea; }
.hero-card {
  background: rgba(255,255,255,.97); color: var(--ink); border-radius: 20px; padding: 30px;
  box-shadow: 0 30px 60px rgba(0,0,0,.25);
}
.hero-card h3 { color: var(--navy); font-size: 1.25rem; margin-bottom: 4px; }
.hero-card > p { color: var(--muted); font-size: .9rem; margin: 0 0 18px; }

/* Formlar */
.form-grid { display: grid; gap: 12px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
label { font-size: .8rem; font-weight: 600; color: var(--muted); display: block; margin-bottom: 4px; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; font-size: .95rem; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,95,134,.12); }
textarea { resize: vertical; min-height: 96px; }

/* Avantaj şeridi */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: -56px; position: relative; z-index: 2; }
.feature {
  background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
  display: flex; gap: 14px; align-items: flex-start;
}
.feature .ico {
  flex: 0 0 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-size: 1.3rem;
}
.feature h4 { color: var(--navy); font-size: 1rem; }
.feature p { color: var(--muted); font-size: .86rem; }

/* Kategori kartları */
.cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.cat {
  position: relative; border-radius: 18px; overflow: hidden; min-height: 360px; color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 28px;
  box-shadow: var(--shadow); transition: transform .25s ease;
}
.cat:hover { transform: translateY(-6px); }
.cat::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(15, 22, 50, .88)); }
.cat > * { position: relative; z-index: 1; }
.cat h3 { font-size: 1.6rem; }
.cat p { font-size: .9rem; color: #dde3f2; margin: 6px 0 14px; }
.cat .more { color: var(--orange); font-weight: 700; font-size: .9rem; }
.cat { background: #d9d2c6 center / cover no-repeat; }
.cat--parke { background-image: url("img/kategori/parke.webp"); }
.cat--supurgelik { background-image: url("img/kategori/supurgelik.webp"); }
.cat--kapi { background-image: url("img/kategori/kapi.webp"); }

/* Ürün kartları */
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; margin-top: 36px; }
.product {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease;
}
.product:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.swatch { aspect-ratio: 900 / 640; position: relative; overflow: hidden; background: #ece8e1; }
.swatch img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product:hover .swatch img { transform: scale(1.05); }
.swatch .tag {
  position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.92); color: var(--navy);
  font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.product-body { padding: 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-body small { color: var(--orange-dark); font-weight: 700; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.product-body h4 { color: var(--navy); font-size: 1.02rem; line-height: 1.3; }
.specs { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 12px; }
.specs span { font-size: .74rem; background: var(--bg); border: 1px solid var(--line); padding: 3px 8px; border-radius: 6px; color: var(--muted); }
.product-body .btn { margin-top: auto; justify-content: center; }

/* Filtreler */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; align-items: center; }
.chip {
  padding: 9px 18px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff;
  font: inherit; font-weight: 600; font-size: .88rem; cursor: pointer; color: var(--ink);
}
.chip.active, .chip:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.filters .search { margin-left: auto; max-width: 280px; }
.subfilters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.subfilters .chip { padding: 6px 14px; font-size: .8rem; }
.subfilters .chip.active { background: var(--orange); border-color: var(--orange); color: var(--navy); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; grid-column: 1 / -1; }

/* Hesaplayıcı */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.calc-box { background: #fff; border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.calc-result {
  margin-top: 20px; padding: 20px; border-radius: 14px; background: var(--grad); color: #fff;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; text-align: center;
}
.calc-result strong { display: block; font-size: 1.6rem; }
.calc-result span { font-size: .78rem; opacity: .9; }
.check-list { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.check-list li { padding-left: 32px; position: relative; color: var(--ink); }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--orange); color: var(--navy); font-weight: 800; font-size: .8rem; display: grid; place-items: center;
}

/* Süreç */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 44px; counter-reset: step; }
.step { background: #fff; border-radius: var(--radius); padding: 28px 24px; border: 1px solid var(--line); position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step); font-size: 2.4rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step h4 { color: var(--navy); margin: 6px 0; }
.step p { color: var(--muted); font-size: .9rem; }

/* SSS */
.faq { max-width: 820px; margin: 40px auto 0; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 22px; }
.faq details[open] { box-shadow: var(--shadow); border-color: transparent; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 700; color: var(--navy);
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--orange-dark); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); padding-bottom: 18px; }
.faq a { color: var(--blue); font-weight: 600; }

/* CTA */
.cta { background: var(--grad); color: #fff; border-radius: 24px; padding: 56px; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.cta p { color: #eef2fb; margin-top: 6px; }

/* Sayfa başlığı */
.page-hero { background: linear-gradient(110deg, var(--navy), var(--blue)); color: #fff; padding: 70px 0 60px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.page-hero p { color: #d6dff2; margin-top: 8px; }
.crumbs { font-size: .85rem; color: #aebbe0; margin-bottom: 10px; }
.crumbs a:hover { color: var(--orange); }

/* Hakkımızda / İletişim */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-visual {
  border-radius: 24px; min-height: 420px; box-shadow: var(--shadow); display: grid; place-items: center;
  background: url("img/kategori/parke.webp") center / cover no-repeat;
}
.about-visual img { width: 220px; border-radius: 50%; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.value { background: #fff; padding: 30px; border-radius: var(--radius); border-top: 4px solid var(--orange); box-shadow: var(--shadow); }
.value h4 { color: var(--navy); margin-bottom: 8px; }
.value p { color: var(--muted); font-size: .93rem; }
.contact-cards { display: grid; gap: 16px; }
.contact-card { display: flex; gap: 16px; align-items: center; background: #fff; padding: 20px; border-radius: var(--radius); border: 1px solid var(--line); }
.contact-card .ico { flex: 0 0 52px; height: 52px; border-radius: 14px; background: var(--grad); color: #fff; display: grid; place-items: center; font-size: 1.4rem; }
.contact-card small { color: var(--muted); display: block; font-size: .8rem; }
.contact-card strong { color: var(--navy); font-size: 1.05rem; }
.map { border: 0; width: 100%; height: 380px; border-radius: 18px; margin-top: 48px; }

/* Footer */
.footer { background: #121a38; color: #aeb7d0; padding: 70px 0 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h5 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer ul { list-style: none; display: grid; gap: 9px; }
.footer a:hover { color: var(--orange); }
.footer .brand strong { color: #fff; }
.footer .brand span { color: #8f9abb; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 50px; padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .82rem; }

/* Sabit WhatsApp */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 99; width: 62px; height: 62px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; box-shadow: 0 10px 25px rgba(0,0,0,.25);
  animation: pulse 2.4s infinite;
}
.wa-float svg { width: 34px; height: 34px; fill: #fff; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.55); } 70% { box-shadow: 0 0 0 18px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* Responsive */
@media (max-width: 1000px) {
  .hero .container, .calc, .split { grid-template-columns: 1fr; }
  .features, .steps { grid-template-columns: repeat(2, 1fr); }
  .cats, .values { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 78px; left: 0; right: 0; background: #fff; flex-direction: column;
    padding: 20px; gap: 18px; border-bottom: 1px solid var(--line); display: none;
  }
  .nav.open { display: flex; }
  .features, .steps, .cats, .values, .footer-grid, .form-grid.two { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero .container { padding: 64px 0 96px; }
  .cta { padding: 36px 26px; }
  .filters .search { margin-left: 0; max-width: none; }
  .topbar .hide-sm { display: none; }
}